op {
  name: "StringToHashBucketFast"
  input_arg {
    name: "input"
    type: DT_STRING
  }
  output_arg {
    name: "output"
    type: DT_INT64
  }
  attr {
    name: "num_buckets"
    type: "int"
    has_minimum: true
    minimum: 1
  }
}
